private IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
{
if (msg == WmDevicechange)
{
//Debug.Print($"WmDevicechange {wParam} {lParam}");
//Debug.Print($" " + string.Join(", ", SerialPortList.GetBasicList().Select(x => x.Name)));
var newPorts = SerialPortList.GetNames();
if (newPorts.Count() != ports.Count)
{
var added = newPorts.Except(ports);
var removed = ports.Except(newPorts);
ports = newPorts.ToList();
foreach (var i in added)
{
Debug.Print("New port " + i);
Task.Run(() => Dispatcher.Invoke(() => ShowNewPortNotification(i)));
}
foreach (var i in removed)
{
Debug.Print("Removed port " + i);
Task.Run(() => Dispatcher.Invoke(() => ShowRemovedPortNotification(i)));
}
}
}
return(IntPtr.Zero);
}
protected override void OnSourceInitialized(EventArgs e)
{
base.OnSourceInitialized(e);
ports = SerialPortList.GetNames().ToList();
var source = PresentationSource.FromVisual(this) as HwndSource;
source.AddHook(WndProc);
this.Visibility = Visibility.Hidden;
}
